Missouri › St Louis County › Missouri House District 100
3 candidates are tracked for Missouri House District 100 on the November 3, 2026 ballot: Philip Oehlerking, Mary Ann Perkins and Ken Newhouse. Candidate information follows official St Louis County election filings; verify with the official election office linked below.
Philip Oehlerking (Republican), Mary Ann Perkins (Democratic), Ken Newhouse (Libertarian) meet on the November 3 ballot; Philip Oehlerking is the sitting member per the House roster. Missouri has no runoffs; the August 4 primary winner of each party is the nominee, and unopposed nominees still print. The field is the Missouri Secretary of State's certified general election candidate list (certified August 25, 2026). This seat is elected by district; only the district covering your address appears on your ballot.
Republican · Incumbent
Philip Oehlerking previously worked at the Missouri Higher Education Loan Authority (MOHELA) and for the Show-Me Institute, per his official House biography. He is the Republican incumbent for Missouri House District 100. No campaign website or questionnaire response was found as of September 6, 2026.
Democratic
Mary Ann Perkins works at Washington University in St. Louis, per her campaign website. She previously worked as a Department of Defense contractor in Germany and for the United Nations in Lebanon and Thailand. She is the Democratic nominee for Missouri House District 100.
Campaign site →Libertarian
Ken Newhouse is a longtime resident of Ballwin running as the Libertarian nominee for Missouri House District 100, per his campaign website. No campaign website or questionnaire response was found as of September 6, 2026.